L-Carnitine forms white crystals or a white crystalline hygroscopic powder. It has a slight characteristic odor.
L-Carnitine is extremely hygroscopic and even deliquescent and it can liquefy on exposure to air.
L-Carnitine melts above 200℃under decomposition.
L-Carnitine is highly soluble in water, in alcohol, in alkaline solutions, and in dilute mineral acids. It is practically insoluble in acetone or ethyl acetate.
L-Carnitine Base (Food Grade) is a white crystalline powder produced via fermentation or chemical synthesis, primarily used as a dietary supplement ingredient. Its molecular formula is C7H15NO3 and CAS number is 541-15-1.
Storage requires cool, dry conditions below 25°C away from direct sunlight. High doses may cause gastrointestinal distress; clinical use should adhere to regulatory limits for food additives.